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(2020 WS2)
Classification: Apollo [NEO]          SPK-ID: 54092466
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459175.5 (2020-Nov-22.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6609420841388126 0.0011857  
a 2.809126995754945 0.0097185 au
q .9524567445700702 3.5761e-05 au
i 4.4965451736412 0.005456 deg
node 89.11541195830905 0.0073041 deg
peri 11.58312533203348 0.0039402 deg
M 353.1183503875629 0.037066 deg
tp 2459208.373469495931
(2020-Dec-24.87346950)
0.0064687 TDB
period 1719.711070024117
4.71
8.9243
0.02443
d
yr
n .2093374906256499 0.0010863 deg/d
Q 4.66579724693982 0.016142 au
  Orbit Determination Parameters
   # obs. used (total)      44  
   data-arc span      16 days  
   first obs. used      2020-11-20  
   last obs. used      2020-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      8  
   norm. resid. RMS      .45837  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-06 05:25:18  

Additional Information
 Earth MOID = .0139606 au 
 Jupiter MOID = .54257 au 
 T_jup = 2.952 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 24.592   .39178 10 autocmod 2.8

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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